42 lines
1.3 KiB
Bash
Executable File
42 lines
1.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
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cd "$DIR"
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VERSION="db00e9369a92aa74bf630a2ffb092a4b0b132c01"
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INSTALL_DIR="$DIR/json11/install"
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VERSION_FILE="$INSTALL_DIR/VERSION"
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# Idempotent: skip if already built at this source revision.
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if [ -f "$INSTALL_DIR/lib/libjson11.a" ] && [ -f "$INSTALL_DIR/include/json11/json11.hpp" ] && \
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[ -f "$VERSION_FILE" ] && [ "$(cat "$VERSION_FILE")" = "$VERSION" ]; then
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echo "json11 already present, skipping build."
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exit 0
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fi
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if [ ! -d "$DIR/json11-src/.git" ]; then
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git clone https://github.com/dropbox/json11.git json11-src
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fi
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git -C json11-src fetch --force origin
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git -C json11-src checkout --force "$VERSION"
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BUILD_DIR="$DIR/build"
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rm -rf "$BUILD_DIR" "$INSTALL_DIR"
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mkdir -p "$BUILD_DIR" "$INSTALL_DIR/lib" "$INSTALL_DIR/include/json11"
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CXX="${CXX:-c++}"
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AR="${AR:-ar}"
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"$CXX" -std=c++11 -fPIC -O2 -c "$DIR/json11-src/json11.cpp" -o "$BUILD_DIR/json11.o"
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"$AR" rcs "$INSTALL_DIR/lib/libjson11.a" "$BUILD_DIR/json11.o"
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cp "$DIR/json11-src/json11.hpp" "$INSTALL_DIR/include/json11/json11.hpp"
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echo "$VERSION" > "$VERSION_FILE"
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# Keep workspace small and deterministic across builds.
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rm -rf "$DIR/json11-src" "$BUILD_DIR"
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echo "Installed json11 to $INSTALL_DIR"
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du -sh "$INSTALL_DIR"
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